| Ros Comain to Navodari | 1,764.47 mi (2,839.65 km) |
| Ros Comain to Negresti-Oas | 1,424.68 mi (2,292.80 km) |
| Ros Comain to Nehoiu | 1,630.83 mi (2,624.57 km) |
| Ros Comain to Ocna Mures | 1,493.13 mi (2,402.97 km) |
| Ros Comain to Odobesti | 1,646.51 mi (2,649.80 km) |
| Ros Comain to Odorheiu Secuiesc | 1,554.62 mi (2,501.92 km) |
| Ros Comain to Oltenita | 1,693.45 mi (2,725.34 km) |
| Ros Comain to Onesti | 1,616.52 mi (2,601.54 km) |
| Ros Comain to Oradea | 1,390.12 mi (2,237.19 km) |
| Ros Comain to Orastie | 1,486.08 mi (2,391.61 km) |
| Ros Comain to Oravita | 1,456.03 mi (2,343.25 km) |
| Ros Comain to Orsova | 1,497.02 mi (2,409.21 km) |
| Ros Comain to Otelu Rosu | 1,464.32 mi (2,356.59 km) |
| Ros Comain to Otopeni | 1,652.15 mi (2,658.88 km) |
| Ros Comain to Ovidiu | 1,764.31 mi (2,839.38 km) |
